Triple

T23135511
Position Surface form Disambiguated ID Type / Status
Subject Rancheria Falls E577307 entity
Predicate nearbyTrailhead P11755 FINISHED
Object Hetch Hetchy trailhead at O'Shaughnessy Dam
The Hetch Hetchy trailhead at O'Shaughnessy Dam is a primary starting point in Yosemite National Park for hikes along the Hetch Hetchy Reservoir, including popular routes to waterfalls and backcountry destinations.
E1574577 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Hetch Hetchy trailhead at O'Shaughnessy Dam | Statement: [Rancheria Falls, nearbyTrailhead, Hetch Hetchy trailhead at O'Shaughnessy Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hetch Hetchy trailhead at O'Shaughnessy Dam
Context triple: [Rancheria Falls, nearbyTrailhead, Hetch Hetchy trailhead at O'Shaughnessy Dam]
  • A. Ross Dam Trailhead
    Ross Dam Trailhead is a hiking access point in Washington’s North Cascades that serves as a primary route to Ross Dam and the Ross Lake National Recreation Area.
  • B. Yosemite Falls Trail
    Yosemite Falls Trail is a steep, popular hiking route in Yosemite National Park that climbs from the valley floor to the top of Yosemite Falls, offering dramatic views of one of North America’s tallest waterfalls.
  • C. Yosemite Falls parking area
    Yosemite Falls parking area is a designated parking lot in Yosemite National Park that serves visitors accessing Yosemite Falls and nearby trails and viewpoints.
  • D. Thomas Lakes trailhead
    Thomas Lakes trailhead is a popular starting point for hiking routes up Colorado’s Mount Sopris, providing access to alpine lakes and scenic mountain terrain.
  • E. Bridalveil Fall Trail
    Bridalveil Fall Trail is a short, popular hiking path in Yosemite National Park that leads visitors to close-up views of the iconic Bridalveil Fall.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Hetch Hetchy trailhead at O'Shaughnessy Dam
Triple: [Rancheria Falls, nearbyTrailhead, Hetch Hetchy trailhead at O'Shaughnessy Dam]
Generated description
The Hetch Hetchy trailhead at O'Shaughnessy Dam is a primary starting point in Yosemite National Park for hikes along the Hetch Hetchy Reservoir, including popular routes to waterfalls and backcountry destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hetch Hetchy trailhead at O'Shaughnessy Dam
Target entity description: The Hetch Hetchy trailhead at O'Shaughnessy Dam is a primary starting point in Yosemite National Park for hikes along the Hetch Hetchy Reservoir, including popular routes to waterfalls and backcountry destinations.
  • A. Ross Dam Trailhead
    Ross Dam Trailhead is a hiking access point in Washington’s North Cascades that serves as a primary route to Ross Dam and the Ross Lake National Recreation Area.
  • B. Yosemite Falls Trail
    Yosemite Falls Trail is a steep, popular hiking route in Yosemite National Park that climbs from the valley floor to the top of Yosemite Falls, offering dramatic views of one of North America’s tallest waterfalls.
  • C. Yosemite Falls parking area
    Yosemite Falls parking area is a designated parking lot in Yosemite National Park that serves visitors accessing Yosemite Falls and nearby trails and viewpoints.
  • D. Thomas Lakes trailhead
    Thomas Lakes trailhead is a popular starting point for hiking routes up Colorado’s Mount Sopris, providing access to alpine lakes and scenic mountain terrain.
  • E. Bridalveil Fall Trail
    Bridalveil Fall Trail is a short, popular hiking path in Yosemite National Park that leads visitors to close-up views of the iconic Bridalveil Fall.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: nearbyTrailhead
Context triple: [Rancheria Falls, nearbyTrailhead, Hetch Hetchy trailhead at O'Shaughnessy Dam]
  • A. hasNearbyTrailheadFor chosen
    Indicates that one location has a trailhead situated close enough to serve as a convenient access point for another location.
  • B. nearbyCampground
    Indicates that one location has a campground situated close to it in geographic proximity.
  • C. nearbySummit
    Indicates that one summit is located close to another summit in geographic space.
  • D. nearestMajorTrailPass
    Indicates the relationship where a given location is associated with the closest significant trail crossing or pass along a major trail network.
  • E. nearbyLocation
    Indicates that one location is situated close to another location in physical space.
  • F. None of above.

Provenance (6 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e245f7b0e481909c473ff4e6a54e2c completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18e8b694c8190b9ead00ea0576d90 completed April 29, 2026, 4:52 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c308901088190a3dd91561a5c123f completed May 19, 2026, 9:42 a.m.
NEDg Description generation batch_6a0c3468ecf48190ae05d776b6b472c6 completed May 19, 2026, 9:59 a.m.
NED2 Entity disambiguation (via description) batch_6a0c34b344248190a6f1b34dede10db1 completed May 19, 2026, 10 a.m.
PD Predicate disambiguation batch_69ef89f83b108190aaaa1db6221fc163 completed April 27, 2026, 4:08 p.m.
Created at: April 17, 2026, 4 p.m.